| US 7,551,085 B2 | ||
| Passive resonant reflector | ||
| Mark Pempsell, Bedford, Tex. (US); Ryan Corley, Austin, Tex. (US); and William J. Langan, Spokane Valley, Wash. (US) | ||
| Assigned to EnXnet, Inc., Tulsa, Okla. (US) | ||
| Filed on Jun. 26, 2006, as Appl. No. 11/426,501. | ||
| Claims priority of provisional application 60/693666, filed on Jun. 24, 2005. | ||
| Prior Publication US 2006/0290589 A1, Dec. 28, 2006 | ||
| Int. Cl. G08B 13/14 (2006.01) | ||
| U.S. Cl. 340—572.1 [29/600; 340/572.7] | 17 Claims |
| 1. A passive resonant reflector, comprising:
first and second conductive/capacitance layers;
one or more insulation layers separating the first and second conductive/capacitance layers;
a transceiver antenna having first and second ends; and
a first diode coupling the first end of the transceiver antenna to the first conductive/capacitance layer, the second end
of the transceiver antenna coupled to the second conductive/capacitance layer;
wherein the transceiver antenna is operable to receive a transmitted radio frequency signal, charge the first and second conductive/capacitance
layers with the received radio frequency signal, and transmit the received radio frequency signal upon a discharge of the
first and second conductive/capacitance layers.
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